Section 7 − Maintenance & Troubleshooting; Routine Maintenance; Troubleshooting - Hobart Stickmate 160i Owner's Manual

SECTION 7 − MAINTENANCE & TROUBLESHOOTING

7-1. Routine Maintenance

n = Check
* To be done by Factory Authorized Service Agent
Every
3
Months
l Unreadable Labels
Every
6
OR
Months
~ Inside Unit

7-2. Troubleshooting

Trouble
No weld output; unit completely inop-
erative; Power Indicator light is off.
No weld output; Power Indicator light is
on.
No weld output; high temperature light
is on.
Fan not operating.
Erratic or improper welding arc or
output.
Electrode freezing to work.
.
A complete Parts List is available at www.HobartWelders.com
Z = Change ~ = Clean
~ Weld Terminals
Place Power switch in the On position.
Be sure power cord is plugged in and that receptacle is receiving input power.
Place line disconnect switch in On position.
Check and replace line fuse(s), if necessary, or reset circuit breaker.
Check and secure loose weld cable(s) into receptacle(s).
Check and correct poor connection of work clamp to workpiece.
Unit overheated causing thermal shutdown. Allow unit to cool with fan On (see Section 4-4).
Reduce duty cycle or amperage.
Check and correct blocked/poor airflow to unit (see Section 5-1).
Check for and remove anything blocking fan movement.
Have Factory Authorized Service Agent check fan motor and control circuitry.
Use proper size and type of weld cable (see your Distributor).
Clean and tighten weld connections.
Reduce amperage setting (see Section 6-1).
Use dry, properly stored electrodes.
Shorten arc length.
Check and reverse polarity; check and correct poor connections to workpiece.
Increase amperage setting (see Section 6-1).
Increase arc length.
Use dry, properly stored electrodes.
! Disconnect power
before maintaining.
l = Replace
nl Weld Cables
Remedy
.
Maintain more often
during severe conditions.
Reference
OM-278400 Page 23